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Douglas, Illinois Weather Forecast
Douglas, Illinois Weather
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Weather Forecast for Douglas, Illinois : Knox County
Issued: 11:17 pm CST Dec 1, 2025 Latitude: 40.7861488 Longitude: -90.0842843 View on Google Maps

MouseOver for Detail Forecast
Tonight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
20% chance of snow on Tonight Mostly Cloudy on Tuesday 40% chance of snow on Wednesday Sunny on Thursday Mostly Sunny on Friday Mostly Cloudy on Saturday Partly Sunny on Sunday Partly Sunny on Monday
Low: 13°F High: 25°F High: 35°F High: 12°F High: 29°F High: 31°F High: 27°F High: 29°F
Low: 19°F Low: -2°F Low: -4°F Low: 18°F Low: 15°F Low: 6°F  
Snow Mostly Cloudy Snow Sunny Mostly Sunny Mostly Cloudy Partly Sunny Partly Sunny
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Current Conditions at
GALESBURG - (KGBG)
18°
Mostly Cloudy
Light Snow
as of 11:15 PM CST
Rel. Humidity: 100%
Dew Point: 18°F
Visibility: 5 Miles
Flight Rule: LIFR
Wind Data
6 MPH
290° West
Cloud Level(s): Broken at 300ft
Current Conditions at
PEORIA - (KPIA)
21°
Mostly Cloudy
Light Snow Mist
as of 10:54 PM CST
Rel. Humidity: 92%
Dew Point: 19°F
Visibility: 5 Miles
Pressure: 30.05 in.
Flight Rule: MVFR
Wind Data
5 MPH
280° West
Cloud Level(s): Scattered at 700ft, Broken at 1900ft, Broken at 7000ft
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
Cloudy
Freezing Fog
as of 11:15 PM CST
Rel. Humidity: 92%
Dew Point: 7°F
Visibility: Less than 1/4 Miles
Pressure: 30.08 in.
Flight Rule: LIFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 200ft
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
21°
Cloudy
as of 11:15 PM CST
Rel. Humidity: 85%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 1500ft
20% chance of snow Tonight Tonight... A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 13. West northwest wind 3 to 5 mph.

Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 25. Light and variable wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 15 mph.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 19. South wind 7 to 11 mph, with gusts as high as 23 mph.

40% chance of snow Wednesday Wednesday... A 40 percent chance of snow after noon. Cloudy, with a high near 35. South southwest wind 8 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around -2. North northwest wind 7 to 11 mph, with gusts as high as 21 mph.

Sunny on Thursday Thursday... Sunny, with a high near 12. North northwest wind around 6 mph becoming calm in the morning.

Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around -4. Calm wind becoming south around 6 mph after midnight.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 29.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 18.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 31.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 15.

Partly Sunny on Sunday Sunday... Partly sunny, with a high near 27.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 6.

Partly Sunny on Monday Monday... Partly sunny, with a high near 29.

Current Radar Image


Sun Almanac for Douglas, Illinois
Sunrise: 07:07 AM
Sunset: 4:33 PM
Civil Sunrise:06:36 AM
Civil Sunset: 5:04 PM
Nautical Sunrise: 06:02 AM
Nautical Sunset: 5:38 PM
Astro Sunrise: 05:29 AM
Astro Sunset: 6:11 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.